---
title: On a TV crime show, the detective finds one hair. What must the hair… — DNA simply: the recipe in every cell · tree and pragmatics
description: On a TV crime show, the detective finds one hair. What must the hair have to give useful DNA? Test 4 · ★ of lesson 277 «DNA simply: the recipe in every cell» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was 
---

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# Test 4 · ★ · DNA simply: the recipe in every cell

<!-- .ven lang=en -->
On a TV crime show, the detective finds one hair. What must the hair have to give useful DNA?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** detective, hair · **What happens:** find, have, give · **To what, where:** one hair, crime show, useful DNA

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This is test 4 · ★ of lesson 277 «DNA simply: the recipe in every cell» of the biology course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/277-dna-simply-the-recipe-in-every-cell/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* On a TV crime show, the detective finds one hair.

```conllu
# sent_id = question:biology:277-dna-simply-the-recipe-in-every-cell:t4:1
# text = On a TV crime show, the detective finds one hair.
1	On	on	ADP	IN	_	5	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
3	TV	TV	NOUN	NN	Number=Sing	4	compound	_	_
4	crime	crime	NOUN	NN	Number=Sing	5	compound	_	_
5	show	show	NOUN	NN	Number=Sing	9	obl	_	SpaceAfter=No
6	,	,	PUNCT	,	_	5	punct	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	detective	detective	NOUN	NN	Number=Sing	9	nsubj	_	_
9	finds	find	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
10	one	one	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	_
11	hair	hair	NOUN	NN	Number=Sing	9	obj	_	SpaceAfter=No
12	.	.	PUNCT	.	_	9	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | present | the detective | one hair |  | a crime show |  |  | vn discover-84 «NP V NP»: agent=Agent hair=Topic |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- .note -->
*Sentence 2:* What must the hair have to give useful DNA?

```conllu
# sent_id = question:biology:277-dna-simply-the-recipe-in-every-cell:t4:2
# text = What must the hair have to give useful DNA?
1	What	what	PRON	WP	PronType=Int	5	obj	_	_
2	must	must	AUX	MD	VerbForm=Fin	5	aux	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	hair	hair	NOUN	NN	Number=Sing	5	nsubj	_	_
5	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	give	give	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	useful	useful	ADJ	JJ	Degree=Pos	9	amod	_	_
9	DNA	DNA	NOUN	NN	Number=Sing	7	obj	_	SpaceAfter=No
10	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | must | the hair |  |  |  |  |  | tree rules |
| 2 | **give** | to-infinitive | the hair *not said here* | useful DNA |  |  |  |  | vn give-13.1-1 «NP V NP»: agent=Agent dna=Theme |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
A bright colour

```conllu
# sent_id = question:biology:277-dna-simply-the-recipe-in-every-cell:t4:o1:1
# text = A bright colour
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	bright	bright	ADJ	JJ	Degree=Pos	3	amod	_	_
3	colour	colour	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
A long length

```conllu
# sent_id = question:biology:277-dna-simply-the-recipe-in-every-cell:t4:o2:1
# text = A long length
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	long	long	ADJ	JJ	Degree=Pos	3	amod	_	_
3	length	length	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
A curl at the end

```conllu
# sent_id = question:biology:277-dna-simply-the-recipe-in-every-cell:t4:o3:1
# text = A curl at the end
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	curl	curl	NOUN	NN	Number=Sing	0	root	_	_
3	at	at	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	end	end	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Its root, with cells in it

```conllu
# sent_id = question:biology:277-dna-simply-the-recipe-in-every-cell:t4:o4:1
# text = Its root, with cells in it
1	Its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	root	root	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
3	,	,	PUNCT	,	_	5	punct	_	_
4	with	with	ADP	IN	_	5	case	_	_
5	cells	cell	NOUN	NNS	Number=Plur	2	conj	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nmod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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